<h2>My Heroes</h2>
<ul class="heroes">
  <li *ngFor="let hero of heroes">
    <a routerLink="/detail/{{ hero.id }} ">
    <span class="badge">{{hero.id}}</span> {{hero.name}}
    </a>
  </li>
</ul>

<button (click)="add(heroName.value); heroName.value=''">
add
</button>

<!-- <div *ngIf="selectedHero"> -->
        <!-- <h2>
                {{selectedHero.name | uppercase}} Details
            </h2>  
            <div><span>id: </span>{{selectedHero.id}}</div>   
            <div>
                <label>name:
                    <input [(ngModel)]="selectedHero.name" placeholder="name"/>
                </label>
            </div>   -->
<!-- <app-hero-detail [hero]="selectedHero"></app-hero-detail> -->
<!-- </div> -->